Class PinchHandler

Touch pinch event handler module (iOS). Handles touchstart/touchmove/touchend events for pinch-to-zoom gestures.

Index

Constructors

Methods

hook start stop unhook

Constructors

constructor

new PinchHandler(ctx: EventContext, dragHandler: DragHandler): PinchHandler
Parameters
- ctx: EventContext
- dragHandler: DragHandler
Returns PinchHandler

Methods

hook

hook(): void
Hooks touch pinch event listeners (iOS only).

Returns void

start

start(e: Event | TouchEvent): void
Handles the start of a touch pinch gesture (touchstart with two fingers).
Parameters
- e: Event | TouchEvent
  The TouchEvent.
Returns void

stop

stop(e: MouseEvent | TouchEvent): void
Handles the end of a touch pinch gesture (touchend).
Parameters
- e: MouseEvent | TouchEvent
  The TouchEvent or MouseEvent.
Returns void

unhook

unhook(): void
Unhooks touch pinch event listeners.

Returns void